EWSR1 and sarcoma: This survey of 141 pathologists and oncologists revealed that while there was a consensus that tumours with EWSR1-ETS gene family translocations should be considered Ewing sarcoma, there is a lack of consensus regarding how to classify rare Ewing sarcoma variants, EWSR1+ with non-ETS partner sarcomas, and both CIC and BCOR sarcomas.